EntityQ1353262· pop 20· linked from 141 articlesnuclear reactor coreSign in to saveportion of a nuclear reactor containing the nuclear fuelConnectionsnuclear reactorEntityneutron moderatorEntityfissile materialEntitywaterEntityheliumEntityboronEntitycadmiumEntitythermodynamicsEntitycarbon dioxideEntityhafniumEntitynuclear powerEntityneutronEntitymagnetic fieldEntityChernobyl disasterConceptnuclear fissionEntitygraphiteEntityheat transferEntityheavy waterEntitychain reactionEntitynuclear fuelEntityCategoriesNuclear power plant componentsNuclear technology